18748233

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 33269760

約数和(自身を除く): 14521527

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 383, 441, 777, 999, 1149, 1323, 1813, 2331, 2681, 3447, 5439, 6993, 8043, 10341, 14171, 16317, 18767, 24129, 42513, 48951, 56301, 72387, 99197, 127539, 168903, 297591, 382617, 506709, 694379, 892773, 2083137, 2678319, 6249411, 18748233]

約数ペア:

[(1, 18748233), (3, 6249411), (7, 2678319), (9, 2083137), (21, 892773), (27, 694379), (37, 506709), (49, 382617), (63, 297591), (111, 168903), (147, 127539), (189, 99197), (259, 72387), (333, 56301), (383, 48951), (441, 42513), (777, 24129), (999, 18767), (1149, 16317), (1323, 14171), (1813, 10341), (2331, 8043), (2681, 6993), (3447, 5439)]